Bticino Megabreak T803LE1250, Руководство по обслуживанию

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72
Problem Possible causes Checkup & resolution Notes
It’s not possible to
insert the draw-
out crank (shutter
cannot be open)
The breaker is in
closed position (I)
Open the breaker
Shutter lock (keylock
or padlock) is enabled
Disable the shutter
lock
The draw-out crank
doesn't rotate: it's
not possible to
extract the breaker
Draw-out mechanism
faulty or damaged
Check the integrity
of the draw-out
mechanism following
the mechanism
maintenance procedure
DWT-VI. If necessary,
change draw-out kit.
Keylock/ padlock
in OPEN position
doesn’t work: it’s
possible to close
the breaker even if
the lock is enabled
In of padlock, check
the minimum cross
section permitted (refer
to instruction sheet)
Use a proper padlock
The keylock is not
fitted properly
Fit the accessory
properly as showed on
instruction sheet
The keylock has
some part broken or
damaged
Replace the keylock
The draw-out
shutter keylock/
padlock doesn’t
work: it’s possible
to open the shutter
even if the lock is
enabled
In case of padlock,
check the minimum
cross section
permitted (refer to
instruction sheet)
Use a proper padlock
The keylock is not
fitted properly
Fit the accessory
properly as showed on
instruction sheet
The keylock has
some part broken or
damaged
Replace the keylock
It’s possible to
open the draw-out
shutter even if the
breaker is in closed
position.
Shutter damaged
If necessary change
draw-out kit
The spring of
vertical sliding plate
(highlighted on
picture) is out of seat
Bring the spring back
in correct position